The UA College of Science's annual lecture series marks its 14th year with a series of presentations that provide insight into how the scientific community works together to establish scientific truth that grows and evolves over time. "Searching for Certainty" is a six-week series that will address the debates and discoveries that are defining science today.

Southwest forests may decline in productivity on average as much as 75 percent over the 21st century as the climate warms, according to a University of Arizona-led research report.